#31BB8A
Closest named color: Green Blue (#01C08D). oklch(70.8% 0.137 164.2), rgb(49, 187, 138).
Aa
Black text reads best on this color (8.60:1).
About this color
#31BB8A is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.137 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.015 away. Black text reads best on it, at 8.60:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.60:1 |
| White text | 2.44:1 |
Values
| HEX | #31BB8A |
| RGB | rgb(49, 187, 138) |
| HSL | hsl(159, 58%, 46%) |
| OKLCH | oklch(70.8% 0.137 164.2) |
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 #31BB8A | 2.44:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #31BB8A | 8.60:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #31BB8A text on white | 2.44:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #31BB8A text on black | 8.60:1 | AAA | Lc -54.4 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DCEFE5
oklch(93.5% 0.024 163.1)
-
Step 200
200
#BDE4D1
oklch(88.6% 0.048 164.3)
-
Step 300
300
#8BD2B2
oklch(80.8% 0.085 164.4)
-
Step 400
400 (this color)
#31BB8A
oklch(70.8% 0.137 164.2)
-
Step 500
500
#00A274
oklch(63.1% 0.134 164.5)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004F36
oklch(37.9% 0.081 163.8)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#31BB8A 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) | #B7AD87 | 0.133 |
| Deuteranopia (no green cones) | #A6A18D | 0.129 |
| Tritanopia (no blue cones) | #00BBAE | 0.051 |
| Achromatopsia (no color) | #A6A6A6 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31BB8A
#31BB8A
oklch(70.8% 0.137 164.2)
- #DB7CB5
#DB7CB5
oklch(70.7% 0.136 344.3)
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 #31BB8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.015
- Greenblue #23C48B ΔE 0.026
- Dark Seafoam #1FB57A ΔE 0.027
- Green Teal #0CB577 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.033
- Greeny Blue #42B395 ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.034
- Dark Seafoam Green #3EAF76 ΔE 0.036
Use #31BB8A 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.