#31DEAB
Closest named color: Emerald (#06D6A0). oklch(80.4% 0.154 167.5), rgb(49, 222, 171).
Aa
Black text reads best on this color (12.16:1).
About this color
#31DEAB is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.154 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.028 away. Black text reads best on it, at 12.16:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 12.16:1 |
| White text | 1.72:1 |
Values
| HEX | #31DEAB |
| RGB | rgb(49, 222, 171) |
| HSL | hsl(162, 72%, 53%) |
| OKLCH | oklch(80.4% 0.154 167.5) |
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 #31DEAB | 1.72:1 | Fails | Lc -34.5 | Non-text elements, placeholder text |
| Black text on #31DEAB | 12.16:1 | AAA | Lc 73.2 | Content text, not long reading |
| #31DEAB text on white | 1.72:1 | Fails | Lc 30.7 | Non-text elements, placeholder text |
| #31DEAB text on black | 12.16:1 | AAA | Lc -72.1 | 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
#E9FAF3
oklch(97.1% 0.02 169.4)
-
Step 100
100
#CFF4E4
oklch(93.6% 0.044 167.4)
-
Step 200
200
#A1ECCE
oklch(88.6% 0.085 167.5)
-
Step 300
300 (this color)
#31DEAB
oklch(80.4% 0.154 167.5)
-
Step 400
400
#00BC8E
oklch(70.6% 0.144 167.5)
-
Step 500
500
#00A27A
oklch(63.2% 0.129 167.5)
-
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)
#31DEAB 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) | #D8CEA8 | 0.154 |
| Deuteranopia (no green cones) | #C3BFAE | 0.148 |
| Tritanopia (no blue cones) | #00DFD0 | 0.050 |
| Achromatopsia (no color) | #C5C5C5 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31DEAB
#31DEAB
oklch(80.4% 0.154 167.5)
- #FF99CF
#FF99CF
oklch(80.4% 0.137 347.6)
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 #31DEAB, closest first.
No curated palette has a color within ΔE 0.04 of #31DEAB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.028
- Aqua Marine #2EE8BB ΔE 0.030
- Aqua Green #12E193 ΔE 0.037
- Medium Aquamarine #66CDAA ΔE 0.052
- Turquoise #40E0D0 ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.060
- Weird Green #3AE57F ΔE 0.065
- Seaweed #18D17B ΔE 0.066
Use #31DEAB 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.