#31CB9D
Closest named color: Greenblue (#23C48B). oklch(75.3% 0.142 167.6), rgb(49, 203, 157).
Aa
Black text reads best on this color (10.15:1).
About this color
#31CB9D is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.142 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.029 away. Black text reads best on it, at 10.15:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.15:1 |
| White text | 2.06:1 |
Values
| HEX | #31CB9D |
| RGB | rgb(49, 203, 157) |
| HSL | hsl(162, 61%, 49%) |
| OKLCH | oklch(75.3% 0.142 167.6) |
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 #31CB9D | 2.06:1 | Fails | Lc -44.4 | Non-text elements, placeholder text |
| Black text on #31CB9D | 10.15:1 | AAA | Lc 64.1 | Content text, not long reading |
| #31CB9D text on white | 2.06:1 | Fails | Lc 39.9 | Non-text elements, placeholder text |
| #31CB9D text on black | 10.15:1 | AAA | Lc -62.4 | 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
#DAF0E6
oklch(93.6% 0.027 166.8)
-
Step 200
200
#BBE4D3
oklch(88.5% 0.049 168.1)
-
Step 300
300
#86D3B5
oklch(80.8% 0.088 167.5)
-
Step 400
400 (this color)
#31CB9D
oklch(75.3% 0.142 167.6)
-
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)
#31CB9D 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) | #C6BD9B | 0.142 |
| Deuteranopia (no green cones) | #B3AFA0 | 0.137 |
| Tritanopia (no blue cones) | #00CCBE | 0.045 |
| Achromatopsia (no color) | #B4B4B4 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31CB9D
#31CB9D
oklch(75.3% 0.142 167.6)
- #EF88BF
#EF88BF
oklch(75.3% 0.141 347.8)
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 #31CB9D, closest first.
No curated palette has a color within ΔE 0.04 of #31CB9D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.029
- Emerald #06D6A0 ΔE 0.030
- Green Blue #01C08D ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.040
- Soft Green #6FC276 ΔE 0.054
- Dark Mint #48C072 ΔE 0.054
- Seaweed #18D17B ΔE 0.054
- Dark Mint Green #20C073 ΔE 0.058
Use #31CB9D 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.