#39B984
Closest named color: Dark Seafoam (#1FB57A). oklch(70.3% 0.136 161.5), rgb(57, 185, 132).
Aa
Black text reads best on this color (8.44:1).
About this color
#39B984 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.136 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam (#1FB57A), ΔE 0.021 away. Black text reads best on it, at 8.44:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Dark Seafoam (#1FB57A) |
| Black text | 8.44:1 |
| White text | 2.48:1 |
Values
| HEX | #39B984 |
| RGB | rgb(57, 185, 132) |
| HSL | hsl(155, 53%, 47%) |
| OKLCH | oklch(70.3% 0.136 161.5) |
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 #39B984 | 2.48:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #39B984 | 8.44:1 | AAA | Lc 55.5 | Large or bold text, headings |
| #39B984 text on white | 2.48:1 | Fails | Lc 48.5 | Large or bold text, headings |
| #39B984 text on black | 8.44:1 | AAA | Lc -53.5 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DCEFE5
oklch(93.5% 0.024 163.1)
-
Step 200
200
#BFE3CF
oklch(88.4% 0.047 161)
-
Step 300
300
#8ED2AF
oklch(80.9% 0.085 161.3)
-
Step 400
400 (this color)
#39B984
oklch(70.3% 0.136 161.5)
-
Step 500
500
#00A36E
oklch(63.2% 0.14 161.4)
-
Step 600
600
#00895C
oklch(55.7% 0.123 161.5)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#39B984 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) | #B6AB81 | 0.130 |
| Deuteranopia (no green cones) | #A69F87 | 0.127 |
| Tritanopia (no blue cones) | #00B9AB | 0.055 |
| Achromatopsia (no color) | #A4A4A4 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B984
#39B984
oklch(70.3% 0.136 161.5)
- #D87BB8
#D87BB8
oklch(70.3% 0.137 341.4)
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 #39B984, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam #1FB57A ΔE 0.021
- Green Blue #01C08D ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.026
- Green Teal #0CB577 ΔE 0.027
- Bluey Green #2BB179 ΔE 0.027
- Dark Seafoam Green #3EAF76 ΔE 0.029
- Greenblue #23C48B ΔE 0.030
- Greeny Blue #42B395 ΔE 0.035
Use #39B984 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.