#59AA5B
Closest named color: Fern (#63A950). oklch(66.7% 0.139 144.3), rgb(89, 170, 91).
Aa
Black text reads best on this color (7.32:1).
About this color
#59AA5B is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.139 and its hue 144°. 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 7.32:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.32:1 |
| White text | 2.86:1 |
Values
| HEX | #59AA5B |
| RGB | rgb(89, 170, 91) |
| HSL | hsl(121, 32%, 51%) |
| OKLCH | oklch(66.7% 0.139 144.3) |
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 #59AA5B | 2.86:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #59AA5B | 7.32:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #59AA5B text on white | 2.86:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #59AA5B text on black | 7.32:1 | AAA | Lc -47.2 | 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
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CBE0CA
oklch(88.5% 0.037 144)
-
Step 300
300
#A6CDA6
oklch(81% 0.068 144.9)
-
Step 400
400
#75B275
oklch(70.6% 0.108 144.3)
-
Step 500
500 (this color)
#59AA5B
oklch(66.7% 0.139 144.3)
-
Step 600
600
#2C8933
oklch(55.6% 0.151 144.3)
-
Step 700
700
#1D7425
oklch(49.1% 0.14 144.3)
-
Step 800
800
#1B5E20
oklch(42.5% 0.116 144.3)
-
Step 900
900
#1E4E20
oklch(37.9% 0.091 144.2)
-
Step 950
950
#132D13
oklch(26.8% 0.057 143.8)
#59AA5B 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) | #AD9D55 | 0.105 |
| Deuteranopia (no green cones) | #A19660 | 0.102 |
| Tritanopia (no blue cones) | #4EA697 | 0.086 |
| Achromatopsia (no color) | #999999 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59AA5B
#59AA5B
oklch(66.7% 0.139 144.3)
- #BE75C4
#BE75C4
oklch(66.8% 0.138 324.2)
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 #59AA5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.013
- Dark Pastel Green #56AE57 ΔE 0.014
- Algae #54AC68 ΔE 0.015
- Off Green #6BA353 ΔE 0.023
- Mid Green #50A747 ΔE 0.025
- Seaweed Green #35AD6B ΔE 0.026
- Muted Green #5FA052 ΔE 0.027
- Boring Green #63B365 ΔE 0.029
Use #59AA5B 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.