#5AA66B
Closest named color: Algae (#54AC68). oklch(66% 0.116 149.6), rgb(90, 166, 107).
Aa
Black text reads best on this color (7.10:1).
About this color
#5AA66B is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.116 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.020 away. Black text reads best on it, at 7.10:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #5AA66B |
| RGB | rgb(90, 166, 107) |
| HSL | hsl(133, 30%, 50%) |
| OKLCH | oklch(66% 0.116 149.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5AA66B | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #5AA66B | 7.10:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #5AA66B text on white | 2.95:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #5AA66B text on black | 7.10:1 | AAA | Lc -45.9 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CBDFCE
oklch(88.4% 0.031 149.8)
-
Step 300
300
#A8CBAD
oklch(80.8% 0.056 149.1)
-
Step 400
400
#77B182
oklch(70.8% 0.091 149.5)
-
Step 500
500 (this color)
#5AA66B
oklch(66% 0.116 149.6)
-
Step 600
600
#318749
oklch(55.6% 0.125 149.6)
-
Step 700
700
#22723A
oklch(49% 0.117 149.6)
-
Step 800
800
#1F5D30
oklch(42.6% 0.097 149.4)
-
Step 900
900
#204D2B
oklch(37.9% 0.076 149.5)
-
Step 950
950
#142D19
oklch(27% 0.048 148.8)
#5AA66B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #A79B67 | 0.096 |
| Deuteranopia (no green cones) | #9C936F | 0.095 |
| Tritanopia (no blue cones) | #4CA397 | 0.065 |
| Achromatopsia (no color) | #969696 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA66B
#5AA66B
oklch(66% 0.116 149.6)
- #BA77B4
#BA77B4
oklch(66% 0.116 330)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5AA66B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.020
- Dull Green #74A662 ΔE 0.027
- Tea #65AB7C ΔE 0.028
- Off Green #6BA353 ΔE 0.028
- Dark Seafoam Green #3EAF76 ΔE 0.029
- Muted Green #5FA052 ΔE 0.029
- Seaweed Green #35AD6B ΔE 0.031
- Dusty Green #76A973 ΔE 0.034
Use #5AA66B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.