#31C4AE
Closest named color: Topaz (#13BBAF). oklch(74% 0.124 180.1), rgb(49, 196, 174).
Aa
Black text reads best on this color (9.63:1).
About this color
#31C4AE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.124 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.030 away. Black text reads best on it, at 9.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.63:1 |
| White text | 2.17:1 |
Values
| HEX | #31C4AE |
| RGB | rgb(49, 196, 174) |
| HSL | hsl(171, 60%, 48%) |
| OKLCH | oklch(74% 0.124 180.1) |
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 #31C4AE | 2.17:1 | Fails | Lc -47.1 | Large or bold text, headings |
| Black text on #31C4AE | 9.63:1 | AAA | Lc 61.5 | Content text, not long reading |
| #31C4AE text on white | 2.17:1 | Fails | Lc 42.4 | Non-text elements, placeholder text |
| #31C4AE text on black | 9.63:1 | AAA | Lc -59.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#DBEFEA
oklch(93.6% 0.022 179.2)
-
Step 200
200
#BCE3DA
oklch(88.5% 0.043 179.7)
-
Step 300
300
#87D1C2
oklch(80.8% 0.077 180)
-
Step 400
400 (this color)
#31C4AE
oklch(74% 0.124 180.1)
-
Step 500
500
#00A08C
oklch(63.2% 0.115 179.7)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#31C4AE 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) | #BBB8AD | 0.130 |
| Deuteranopia (no green cones) | #A8AAB0 | 0.124 |
| Tritanopia (no blue cones) | #00C7BD | 0.021 |
| Achromatopsia (no color) | #B0B0B0 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31C4AE
#31C4AE
oklch(74% 0.124 180.1)
- #EA88A7
#EA88A7
oklch(74% 0.124 0.3)
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 #31C4AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.030
- Medium Aquamarine #66CDAA ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.049
- Green Blue #01C08D ΔE 0.049
- Greeny Blue #42B395 ΔE 0.050
- Greenblue #23C48B ΔE 0.051
- Medium Turquoise #48D1CC ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.053
Use #31C4AE 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.