#39AC77
Closest named color: Dark Seafoam Green (#3EAF76). oklch(66.6% 0.13 159.4), rgb(57, 172, 119).
Aa
Black text reads best on this color (7.34:1).
About this color
#39AC77 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.130 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.010 away. Black text reads best on it, at 7.34:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.34:1 |
| White text | 2.86:1 |
Values
| HEX | #39AC77 |
| RGB | rgb(57, 172, 119) |
| HSL | hsl(152, 50%, 45%) |
| OKLCH | oklch(66.6% 0.13 159.4) |
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 #39AC77 | 2.86:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #39AC77 | 7.34:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #39AC77 text on white | 2.86:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #39AC77 text on black | 7.34:1 | AAA | Lc -47.4 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE5
oklch(93.6% 0.019 157.9)
-
Step 200
200
#C6E1D1
oklch(88.5% 0.036 159.6)
-
Step 300
300
#9ECEB2
oklch(81% 0.064 159)
-
Step 400
400
#63B48A
oklch(70.6% 0.102 159.6)
-
Step 500
500 (this color)
#39AC77
oklch(66.6% 0.13 159.4)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#024F31
oklch(37.8% 0.085 159.4)
-
Step 950
950
#082E1D
oklch(26.9% 0.053 159.9)
#39AC77 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) | #AA9F74 | 0.122 |
| Deuteranopia (no green cones) | #9B947A | 0.119 |
| Tritanopia (no blue cones) | #00AB9E | 0.057 |
| Achromatopsia (no color) | #999999 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39AC77
#39AC77
oklch(66.6% 0.13 159.4)
- #C872AE
#C872AE
oklch(66.6% 0.131 339.4)
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 #39AC77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.010
- Bluey Green #2BB179 ΔE 0.014
- Seaweed Green #35AD6B ΔE 0.018
- Jade #1FA774 ΔE 0.021
- Jade Green #2BAF6A ΔE 0.024
- Algae #54AC68 ΔE 0.024
- Medium Sea Green #3CB371 ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.026
Use #39AC77 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.