#59B277
Closest named color: Dark Seafoam Green (#3EAF76). oklch(69.3% 0.123 152.9), rgb(89, 178, 119).
Aa
Black text reads best on this color (8.05:1).
About this color
#59B277 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.123 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.023 away. Black text reads best on it, at 8.05:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 8.05:1 |
| White text | 2.60:1 |
Values
| HEX | #59B277 |
| RGB | rgb(89, 178, 119) |
| HSL | hsl(140, 37%, 52%) |
| OKLCH | oklch(69.3% 0.123 152.9) |
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 #59B277 | 2.60:1 | Fails | Lc -55.8 | Large or bold text, headings |
| Black text on #59B277 | 8.05:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #59B277 text on white | 2.60:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #59B277 text on black | 8.05:1 | AAA | Lc -51.3 | 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
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#DFEEE3
oklch(93.5% 0.022 154.1)
-
Step 200
200
#C5E2CC
oklch(88.5% 0.043 152.7)
-
Step 300
300
#9BD0A9
oklch(81% 0.078 152.6)
-
Step 400
400 (this color)
#59B277
oklch(69.3% 0.123 152.9)
-
Step 500
500
#17A459
oklch(63.2% 0.157 152.9)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#042F16
oklch(26.9% 0.065 152.8)
#59B277 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) | #B2A673 | 0.107 |
| Deuteranopia (no green cones) | #A59D7B | 0.104 |
| Tritanopia (no blue cones) | #44B0A3 | 0.064 |
| Achromatopsia (no color) | #A0A0A0 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59B277
#59B277
oklch(69.3% 0.123 152.9)
- #C97EBD
#C97EBD
oklch(69.2% 0.123 332.8)
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 #59B277, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.023
- Medium Sea Green #3CB371 ΔE 0.024
- Algae #54AC68 ΔE 0.024
- Boring Green #63B365 ΔE 0.024
- Tea #65AB7C ΔE 0.025
- Bluey Green #2BB179 ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.031
- Faded Green #7BB274 ΔE 0.033
Use #59B277 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.