#5AA651
Closest named color: Fern (#63A950). oklch(65.6% 0.142 141.7), rgb(90, 166, 81).
Aa
Black text reads best on this color (7.00:1).
About this color
#5AA651 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.142 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.013 away. Black text reads best on it, at 7.00:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.00:1 |
| White text | 2.99:1 |
Values
| HEX | #5AA651 |
| RGB | rgb(90, 166, 81) |
| HSL | hsl(114, 34%, 48%) |
| OKLCH | oklch(65.6% 0.142 141.7) |
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 #5AA651 | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #5AA651 | 7.00:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #5AA651 text on white | 2.99:1 | Fails | Lc 56.4 | Large or bold text, headings |
| #5AA651 text on black | 7.00:1 | AAA | Lc -45.4 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A8CCA3
oklch(80.8% 0.069 141.7)
-
Step 400
400
#78B270
oklch(70.7% 0.111 141.5)
-
Step 500
500 (this color)
#5AA651
oklch(65.6% 0.142 141.7)
-
Step 600
600
#33882A
oklch(55.5% 0.154 141.7)
-
Step 700
700
#25741C
oklch(49.3% 0.144 141.7)
-
Step 800
800
#215E1A
oklch(42.7% 0.118 141.6)
-
Step 900
900
#214D1C
oklch(37.6% 0.092 141.7)
-
Step 950
950
#142D11
oklch(26.9% 0.058 141.6)
#5AA651 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) | #AA994A | 0.102 |
| Deuteranopia (no green cones) | #9F9257 | 0.102 |
| Tritanopia (no blue cones) | #52A292 | 0.091 |
| Achromatopsia (no color) | #959595 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA651
#5AA651
oklch(65.6% 0.142 141.7)
- #B871C4
#B871C4
oklch(65.5% 0.142 321.6)
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 #5AA651, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.013
- Mid Green #50A747 ΔE 0.016
- Muted Green #5FA052 ΔE 0.018
- Off Green #6BA353 ΔE 0.019
- Dark Pastel Green #56AE57 ΔE 0.022
- Algae #54AC68 ΔE 0.027
- Flat Green #699D4C ΔE 0.027
- Seaweed Green #35AD6B ΔE 0.034
Use #5AA651 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.