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Brimming Oasis

#21aa45
Notes

Brimming Oasis (#21AA45) is a true green with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (136°, 67%, 40%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary magenta. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#21aa45
RGB
rgb(33, 170, 69)
HSL
hsl(136, 67%, 40%)
HWB
hwb(136 13% 33%)
OKLCH
oklch(64.7% 0.181 147.1)
P3
color(display-p3 0.3206 0.6570 0.3200)
HSV
hsv(136, 81%, 67%)
LAB
lab(61.22% -56.34 41.49)
LCH
lch(61.22% 69.97 143.63)
CMYK
cmyk(81%, 0%, 59%, 33%)

Etymology

Brimming
adjective

Old English brymme, brim / edge — present-participle of brim. As a color modifier, brimming implies a saturated-and-overflowing quality where the hue spills past the edge of its visual container with rich pigmentation. Sits at the bold-and-saturated end of the grid, parallel to replete and abundant.

Oasis
noun

A fertile spot in a desert — particularly the date-palm oases of the Sahara and Arabian peninsula. Oasis color refers to the unifying blue-green of a Saharan oasis pool surrounded by date palms: a saturated, slightly cool deep blue-green with the optical clarity of mineral-spring water.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#21aa45
Original
#ac9a3b
Protanopia
#9d904d
Deuteranopia
#00a694
Tritanopia
#868686
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon White
3.04:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
6.90:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##21AA45
Display P3
Display P3
color(display-p3 0.3206 0.6570 0.3200)
P3 has visible headroomOKLCH chroma 0.181

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

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