#31D286
Closest named color: Seaweed (#18D17B). oklch(76.6% 0.169 157), rgb(49, 210, 134).
Aa
Black text reads best on this color (10.69:1).
About this color
#31D286 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.169 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.017 away. Black text reads best on it, at 10.69:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.69:1 |
| White text | 1.96:1 |
Values
| HEX | #31D286 |
| RGB | rgb(49, 210, 134) |
| HSL | hsl(152, 64%, 51%) |
| OKLCH | oklch(76.6% 0.169 157) |
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 #31D286 | 1.96:1 | Fails | Lc -41.7 | Non-text elements, placeholder text |
| Black text on #31D286 | 10.69:1 | AAA | Lc 66.6 | Content text, not long reading |
| #31D286 text on white | 1.96:1 | Fails | Lc 37.3 | Non-text elements, placeholder text |
| #31D286 text on black | 10.69:1 | AAA | Lc -65.1 | 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
#D0F4DD
oklch(93.5% 0.049 157.3)
-
Step 200
200
#A5ECC0
oklch(88.4% 0.094 156.7)
-
Step 300
300 (this color)
#31D286
oklch(76.6% 0.169 157)
-
Step 400
400
#00BF74
oklch(70.8% 0.169 156.8)
-
Step 500
500
#00A363
oklch(63% 0.15 157)
-
Step 600
600
#008A53
oklch(55.7% 0.133 157)
-
Step 700
700
#007445
oklch(49.2% 0.117 157)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#31D286 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) | #D1C181 | 0.155 |
| Deuteranopia (no green cones) | #BDB38B | 0.151 |
| Tritanopia (no blue cones) | #00D0BF | 0.080 |
| Achromatopsia (no color) | #B9B9B9 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31D286
#31D286
oklch(76.6% 0.169 157)
- #F585DA
#F585DA
oklch(76.6% 0.169 336.9)
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 #31D286, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.017
- Emerald #06D6A0 ΔE 0.031
- Aqua Green #12E193 ΔE 0.040
- Greenblue #23C48B ΔE 0.044
- Algae Green #21C36F ΔE 0.047
- Dark Mint #48C072 ΔE 0.049
- Soft Green #6FC276 ΔE 0.051
- Dark Mint Green #20C073 ΔE 0.053
Use #31D286 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.