#59A656
Closest named color: Fern (#63A950). oklch(65.6% 0.138 143.1), rgb(89, 166, 86).
Aa
Black text reads best on this color (7.01:1).
About this color
#59A656 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.138 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.016 away. Black text reads best on it, at 7.01:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.01:1 |
| White text | 2.99:1 |
Values
| HEX | #59A656 |
| RGB | rgb(89, 166, 86) |
| HSL | hsl(118, 32%, 49%) |
| OKLCH | oklch(65.6% 0.138 143.1) |
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 #59A656 | 2.99:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #59A656 | 7.01:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #59A656 text on white | 2.99:1 | Fails | Lc 56.4 | Large or bold text, headings |
| #59A656 text on black | 7.01:1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A8CCA5
oklch(80.8% 0.066 142.9)
-
Step 400
400
#77B274
oklch(70.7% 0.108 143.2)
-
Step 500
500 (this color)
#59A656
oklch(65.6% 0.138 143.1)
-
Step 600
600
#318831
oklch(55.5% 0.149 143.2)
-
Step 700
700
#237323
oklch(49% 0.138 143.1)
-
Step 800
800
#1F5E1F
oklch(42.7% 0.115 143.2)
-
Step 900
900
#204D1F
oklch(37.6% 0.089 143.2)
-
Step 950
950
#142D13
oklch(26.9% 0.056 143.1)
#59A656 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) | #A9994F | 0.102 |
| Deuteranopia (no green cones) | #9E925B | 0.101 |
| Tritanopia (no blue cones) | #50A293 | 0.087 |
| Achromatopsia (no color) | #959595 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A656
#59A656
oklch(65.6% 0.138 143.1)
- #B972C1
#B972C1
oklch(65.6% 0.137 323.3)
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 #59A656, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.016
- Muted Green #5FA052 ΔE 0.017
- Off Green #6BA353 ΔE 0.018
- Mid Green #50A747 ΔE 0.021
- Algae #54AC68 ΔE 0.023
- Dark Pastel Green #56AE57 ΔE 0.023
- Flat Green #699D4C ΔE 0.027
- Seaweed Green #35AD6B ΔE 0.031
Use #59A656 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.