#31CCAE
Closest named color: Medium Aquamarine (#66CDAA). oklch(76% 0.132 176), rgb(49, 204, 174).
Aa
Black text reads best on this color (10.37:1).
About this color
#31CCAE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.132 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.031 away. Black text reads best on it, at 10.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.37:1 |
| White text | 2.02:1 |
Values
| HEX | #31CCAE |
| RGB | rgb(49, 204, 174) |
| HSL | hsl(168, 61%, 50%) |
| OKLCH | oklch(76% 0.132 176) |
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 #31CCAE | 2.02:1 | Fails | Lc -43.3 | Non-text elements, placeholder text |
| Black text on #31CCAE | 10.37:1 | AAA | Lc 65.1 | Content text, not long reading |
| #31CCAE text on white | 2.02:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #31CCAE text on black | 10.37:1 | AAA | Lc -63.5 | 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
#EAFAF5
oklch(97.2% 0.018 175.3)
-
Step 100
100
#D0F3E9
oklch(93.6% 0.039 176.3)
-
Step 200
200
#A5EAD7
oklch(88.6% 0.074 175.5)
-
Step 300
300 (this color)
#31CCAE
oklch(76% 0.132 176)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#31CCAE 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) | #C4BFAD | 0.138 |
| Deuteranopia (no green cones) | #B0B0B0 | 0.132 |
| Tritanopia (no blue cones) | #00CFC3 | 0.028 |
| Achromatopsia (no color) | #B6B6B6 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31CCAE
#31CCAE
oklch(76% 0.132 176)
- #F38CB4
#F38CB4
oklch(76.1% 0.132 356)
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 #31CCAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.031
- Emerald #06D6A0 ΔE 0.041
- Medium Turquoise #48D1CC ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.049
- Greenblue #23C48B ΔE 0.049
- Seafoam Blue #78D1B6 ΔE 0.052
- Topaz #13BBAF ΔE 0.053
- Green Blue #01C08D ΔE 0.054
Use #31CCAE 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.