#39D787
Closest named color: Seaweed (#18D17B). oklch(78% 0.172 155.9), rgb(57, 215, 135).
Aa
Black text reads best on this color (11.24:1).
About this color
#39D787 is a light, vivid green. In OKLCH its lightness is 78%, its chroma 0.172 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.025 away. Black text reads best on it, at 11.24:1.
| Hue family | Greens |
| Lightness | light (78%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 11.24:1 |
| White text | 1.86:1 |
Values
| HEX | #39D787 |
| RGB | rgb(57, 215, 135) |
| HSL | hsl(150, 66%, 53%) |
| OKLCH | oklch(78% 0.172 155.9) |
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 #39D787 | 1.86:1 | Fails | Lc -39.0 | Non-text elements, placeholder text |
| Black text on #39D787 | 11.24:1 | AAA | Lc 69.1 | Content text, not long reading |
| #39D787 text on white | 1.86:1 | Fails | Lc 34.8 | Non-text elements, placeholder text |
| #39D787 text on black | 11.24:1 | AAA | Lc -67.7 | Content text, not long reading |
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 300.
-
Step 50
50
#EAFAEF
oklch(97% 0.022 155.9)
-
Step 100
100
#D0F4DC
oklch(93.5% 0.049 156.1)
-
Step 200
200
#A5EDBF
oklch(88.6% 0.096 155.9)
-
Step 300
300 (this color)
#39D787
oklch(78% 0.172 155.9)
-
Step 400
400
#00BF71
oklch(70.7% 0.172 155.9)
-
Step 500
500
#00A460
oklch(63.2% 0.154 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#39D787 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) | #D6C682 | 0.155 |
| Deuteranopia (no green cones) | #C3B88C | 0.152 |
| Tritanopia (no blue cones) | #00D5C3 | 0.083 |
| Achromatopsia (no color) | #BEBEBE | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39D787
#39D787
oklch(78% 0.172 155.9)
- #FA89E1
#FA89E1
oklch(78.1% 0.172 336)
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 #39D787, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.025
- Aqua Green #12E193 ΔE 0.027
- Emerald #06D6A0 ΔE 0.034
- Weird Green #3AE57F ΔE 0.044
- Greenblue #23C48B ΔE 0.059
- Soft Green #6FC276 ΔE 0.060
- Algae Green #21C36F ΔE 0.060
- Fresh Green #69D84F ΔE 0.060
Use #39D787 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.