#31DCA6
Closest named color: Emerald (#06D6A0). oklch(79.8% 0.155 166), rgb(49, 220, 166).
Aa
Black text reads best on this color (11.91:1).
About this color
#31DCA6 is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.155 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.021 away. Black text reads best on it, at 11.91:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.91:1 |
| White text | 1.76:1 |
Values
| HEX | #31DCA6 |
| RGB | rgb(49, 220, 166) |
| HSL | hsl(161, 71%, 53%) |
| OKLCH | oklch(79.8% 0.155 166) |
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 #31DCA6 | 1.76:1 | Fails | Lc -35.7 | Non-text elements, placeholder text |
| Black text on #31DCA6 | 11.91:1 | AAA | Lc 72.1 | Content text, not long reading |
| #31DCA6 text on white | 1.76:1 | Fails | Lc 31.8 | Non-text elements, placeholder text |
| #31DCA6 text on black | 11.91:1 | AAA | Lc -70.9 | 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
#E9FAF2
oklch(97% 0.021 166.1)
-
Step 100
100
#CFF4E3
oklch(93.6% 0.045 165.9)
-
Step 200
200
#A1ECCC
oklch(88.5% 0.087 165.9)
-
Step 300
300 (this color)
#31DCA6
oklch(79.8% 0.155 166)
-
Step 400
400
#00BD8B
oklch(70.8% 0.147 165.8)
-
Step 500
500
#00A277
oklch(63.2% 0.131 166)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007253
oklch(49% 0.101 166.2)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#31DCA6 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) | #D7CCA3 | 0.154 |
| Deuteranopia (no green cones) | #C2BDAA | 0.149 |
| Tritanopia (no blue cones) | #00DDCD | 0.053 |
| Achromatopsia (no color) | #C3C3C3 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31DCA6
#31DCA6
oklch(79.8% 0.155 166)
- #FF95D1
#FF95D1
oklch(79.8% 0.145 345.9)
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 #31DCA6, closest first.
No curated palette has a color within ΔE 0.04 of #31DCA6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.021
- Aqua Green #12E193 ΔE 0.034
- Aqua Marine #2EE8BB ΔE 0.037
- Medium Aquamarine #66CDAA ΔE 0.050
- Turquoise #40E0D0 ΔE 0.058
- Seaweed #18D17B ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.061
- Weird Green #3AE57F ΔE 0.062
Use #31DCA6 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.