#31A271
Closest named color: Jade (#1FA774). oklch(63.7% 0.125 160.4), rgb(49, 162, 113).
Aa
Black text reads best on this color (6.53:1).
About this color
#31A271 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.125 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.014 away. Black text reads best on it, at 6.53:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #31A271 |
| RGB | rgb(49, 162, 113) |
| HSL | hsl(154, 54%, 41%) |
| OKLCH | oklch(63.7% 0.125 160.4) |
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 #31A271 | 3.21:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #31A271 | 6.53:1 | AA | Lc 45.1 | Large or bold text, headings |
| #31A271 text on white | 3.21:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #31A271 text on black | 6.53:1 | AA | Lc -42.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C7E0D2
oklch(88.4% 0.033 161.2)
-
Step 300
300
#9FCDB3
oklch(80.8% 0.061 159.9)
-
Step 400
400
#65B48C
oklch(70.8% 0.099 160.4)
-
Step 500
500 (this color)
#31A271
oklch(63.7% 0.125 160.4)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3D
oklch(42.9% 0.096 160.4)
-
Step 900
900
#064E32
oklch(37.5% 0.082 160.3)
-
Step 950
950
#092E1E
oklch(27% 0.051 160.9)
#31A271 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) | #A0966E | 0.118 |
| Deuteranopia (no green cones) | #918B74 | 0.115 |
| Tritanopia (no blue cones) | #00A195 | 0.053 |
| Achromatopsia (no color) | #909090 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A271
#31A271
oklch(63.7% 0.125 160.4)
- #BD6BA2
#BD6BA2
oklch(63.7% 0.125 340.7)
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 #31A271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.014
- Ocean Green #3D9973 ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.040
- Bluey Green #2BB179 ΔE 0.043
- Jade Green #2BAF6A ΔE 0.043
- Algae #54AC68 ΔE 0.044
- Muted Green #5FA052 ΔE 0.045
Use #31A271 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.