#31CAA3
Closest named color: Greenblue (#23C48B). oklch(75.2% 0.136 171), rgb(49, 202, 163).
Aa
Black text reads best on this color (10.10:1).
About this color
#31CAA3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.136 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.035 away. Black text reads best on it, at 10.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.10:1 |
| White text | 2.07:1 |
Values
| HEX | #31CAA3 |
| RGB | rgb(49, 202, 163) |
| HSL | hsl(165, 61%, 49%) |
| OKLCH | oklch(75.2% 0.136 171) |
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 #31CAA3 | 2.07:1 | Fails | Lc -44.7 | Non-text elements, placeholder text |
| Black text on #31CAA3 | 10.10:1 | AAA | Lc 63.8 | Content text, not long reading |
| #31CAA3 text on white | 2.07:1 | Fails | Lc 40.1 | Non-text elements, placeholder text |
| #31CAA3 text on black | 10.10:1 | AAA | Lc -62.2 | 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 400.
-
Step 50
50
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#DBF0E8
oklch(93.7% 0.025 171)
-
Step 200
200
#BBE4D5
oklch(88.5% 0.047 171)
-
Step 300
300
#86D3B9
oklch(80.9% 0.085 170.7)
-
Step 400
400 (this color)
#31CAA3
oklch(75.2% 0.136 171)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#31CAA3 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) | #C4BCA1 | 0.140 |
| Deuteranopia (no green cones) | #B0AEA6 | 0.134 |
| Tritanopia (no blue cones) | #00CCBF | 0.038 |
| Achromatopsia (no color) | #B4B4B4 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31CAA3
#31CAA3
oklch(75.2% 0.136 171)
- #EF89B9
#EF89B9
oklch(75.3% 0.136 351.2)
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 #31CAA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.035
- Emerald #06D6A0 ΔE 0.036
- Medium Aquamarine #66CDAA ΔE 0.036
- Green Blue #01C08D ΔE 0.041
- Topaz #13BBAF ΔE 0.054
- Soft Green #6FC276 ΔE 0.060
- Medium Turquoise #48D1CC ΔE 0.060
- Dark Mint #48C072 ΔE 0.061
Use #31CAA3 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.