#31F2D5
Closest named color: Bright Aqua (#0BF9EA). oklch(86.5% 0.15 179.4), rgb(49, 242, 213).
Aa
Black text reads best on this color (14.79:1).
About this color
#31F2D5 is a light, vivid teal or cyan. In OKLCH its lightness is 86%, its chroma 0.150 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Aqua (#0BF9EA), ΔE 0.029 away. Black text reads best on it, at 14.79:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Bright Aqua (#0BF9EA) |
| Black text | 14.79:1 |
| White text | 1.41:1 |
Values
| HEX | #31F2D5 |
| RGB | rgb(49, 242, 213) |
| HSL | hsl(171, 88%, 57%) |
| OKLCH | oklch(86.5% 0.15 179.4) |
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 #31F2D5 | 1.41:1 | Fails | Lc -22.4 | Dividers and decoration only |
| Black text on #31F2D5 | 14.79:1 | AAA | Lc 84.0 | Fine for body text |
| #31F2D5 text on white | 1.41:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #31F2D5 text on black | 14.79:1 | AAA | Lc -83.8 | 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 200.
-
Step 50
50
#E4FCF6
oklch(97.2% 0.026 179.1)
-
Step 100
100
#C2F7EB
oklch(93.6% 0.056 179.6)
-
Step 200
200 (this color)
#31F2D5
oklch(86.5% 0.15 179.4)
-
Step 300
300
#00DFC3
oklch(80.9% 0.148 179.3)
-
Step 400
400
#00BAA3
oklch(70.7% 0.128 179.7)
-
Step 500
500
#00A08B
oklch(63.2% 0.115 179)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#31F2D5 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) | #E7E3D4 | 0.157 |
| Deuteranopia (no green cones) | #CFD1D7 | 0.150 |
| Tritanopia (no blue cones) | #00F6E9 | 0.026 |
| Achromatopsia (no color) | #D8D8D8 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31F2D5
#31F2D5
oklch(86.5% 0.15 179.4)
- #FFBDD1
#FFBDD1
oklch(86.4% 0.08 359)
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 #31F2D5, closest first.
No curated palette has a color within ΔE 0.04 of #31F2D5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Aqua #0BF9EA ΔE 0.029
- Bright Teal #01F9C6 ΔE 0.034
- Aqua Marine #2EE8BB ΔE 0.039
- Light Turquoise #7EF4CC ΔE 0.043
- Turquoise #40E0D0 ΔE 0.048
- Bright Turquoise #0FFEF9 ΔE 0.050
- Bright Light Blue #26F7FD ΔE 0.054
- Light Aquamarine #7BFDC7 ΔE 0.057
Use #31F2D5 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.