#59B577
Closest named color: Boring Green (#63B365). oklch(70% 0.127 152.4), rgb(89, 181, 119).
Aa
Black text reads best on this color (8.30:1).
About this color
#59B577 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.127 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Boring Green (#63B365), ΔE 0.021 away. Black text reads best on it, at 8.30:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Boring Green (#63B365) |
| Black text | 8.30:1 |
| White text | 2.52:1 |
Values
| HEX | #59B577 |
| RGB | rgb(89, 181, 119) |
| HSL | hsl(140, 38%, 53%) |
| OKLCH | oklch(70% 0.127 152.4) |
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 #59B577 | 2.52:1 | Fails | Lc -54.5 | Large or bold text, headings |
| Black text on #59B577 | 8.30:1 | AAA | Lc 54.6 | Large or bold text, headings |
| #59B577 text on white | 2.52:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #59B577 text on black | 8.30:1 | AAA | Lc -52.6 | 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 400.
-
Step 50
50
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DFEFE3
oklch(93.7% 0.023 153.4)
-
Step 200
200
#C4E2CB
oklch(88.5% 0.045 152.4)
-
Step 300
300
#9AD0A8
oklch(80.9% 0.079 152.4)
-
Step 400
400 (this color)
#59B577
oklch(70% 0.127 152.4)
-
Step 500
500
#0AA456
oklch(63.1% 0.162 152.5)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#032F15
oklch(26.9% 0.067 152.3)
#59B577 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) | #B5A873 | 0.110 |
| Deuteranopia (no green cones) | #A89F7B | 0.108 |
| Tritanopia (no blue cones) | #44B3A5 | 0.066 |
| Achromatopsia (no color) | #A3A3A3 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59B577
#59B577
oklch(70% 0.127 152.4)
- #CD7FC1
#CD7FC1
oklch(70% 0.128 332.6)
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 #59B577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Boring Green #63B365 ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.024
- Dark Seafoam Green #3EAF76 ΔE 0.028
- Algae #54AC68 ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.031
- Faded Green #7BB274 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.032
- Tea #65AB7C ΔE 0.033
Use #59B577 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.