#31E5B0
Closest named color: Aqua Marine (#2EE8BB). oklch(82.3% 0.158 167.4), rgb(49, 229, 176).
Aa
Black text reads best on this color (12.96:1).
About this color
#31E5B0 is a light, vivid green. In OKLCH its lightness is 82%, its chroma 0.158 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.015 away. Black text reads best on it, at 12.96:1.
| Hue family | Greens |
| Lightness | light (82%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.96:1 |
| White text | 1.61:1 |
Values
| HEX | #31E5B0 |
| RGB | rgb(49, 229, 176) |
| HSL | hsl(162, 78%, 55%) |
| OKLCH | oklch(82.3% 0.158 167.4) |
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 #31E5B0 | 1.61:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #31E5B0 | 12.96:1 | AAA | Lc 76.6 | Fine for body text |
| #31E5B0 text on white | 1.61:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #31E5B0 text on black | 12.96:1 | AAA | Lc -75.7 | Fine for body text |
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
#E9FAF2
oklch(97% 0.021 166.1)
-
Step 100
100
#CEF4E4
oklch(93.6% 0.045 168)
-
Step 200
200
#9FECCD
oklch(88.4% 0.088 167.2)
-
Step 300
300 (this color)
#31E5B0
oklch(82.3% 0.158 167.4)
-
Step 400
400
#00BC8E
oklch(70.6% 0.144 167.5)
-
Step 500
500
#00A279
oklch(63.2% 0.13 167)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#31E5B0 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) | #DFD5AD | 0.158 |
| Deuteranopia (no green cones) | #C9C5B4 | 0.152 |
| Tritanopia (no blue cones) | #00E6D6 | 0.051 |
| Achromatopsia (no color) | #CBCBCB | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31E5B0
#31E5B0
oklch(82.3% 0.158 167.4)
- #FFA4D4
#FFA4D4
oklch(82.3% 0.122 347.2)
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 #31E5B0, closest first.
No curated palette has a color within ΔE 0.04 of #31E5B0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.015
- Aqua Green #12E193 ΔE 0.039
- Emerald #06D6A0 ΔE 0.046
- Turquoise #40E0D0 ΔE 0.052
- Bright Teal #01F9C6 ΔE 0.054
- Greenish Turquoise #00FBB0 ΔE 0.061
- Weird Green #3AE57F ΔE 0.062
- Medium Aquamarine #66CDAA ΔE 0.067
Use #31E5B0 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.