#31A795
Closest named color: Persian Green (#2A9D8F). oklch(66% 0.106 180.5), rgb(49, 167, 149).
Aa
Black text reads best on this color (7.09:1).
About this color
#31A795 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.106 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.030 away. Black text reads best on it, at 7.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 7.09:1 |
| White text | 2.96:1 |
Values
| HEX | #31A795 |
| RGB | rgb(49, 167, 149) |
| HSL | hsl(171, 55%, 42%) |
| OKLCH | oklch(66% 0.106 180.5) |
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 #31A795 | 2.96:1 | Fails | Lc -61.1 | Content text, not long reading |
| Black text on #31A795 | 7.09:1 | AAA | Lc 48.3 | Large or bold text, headings |
| #31A795 text on white | 2.96:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #31A795 text on black | 7.09:1 | AAA | Lc -46.0 | 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 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0DA
oklch(88.6% 0.029 180.2)
-
Step 300
300
#9DCCC2
oklch(80.9% 0.051 180.4)
-
Step 400
400
#61B2A3
oklch(70.8% 0.083 180.4)
-
Step 500
500 (this color)
#31A795
oklch(66% 0.106 180.5)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#062D27
oklch(26.9% 0.044 180.3)
#31A795 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) | #A09D94 | 0.112 |
| Deuteranopia (no green cones) | #8F9197 | 0.106 |
| Tritanopia (no blue cones) | #00AAA1 | 0.019 |
| Achromatopsia (no color) | #969696 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A795
#31A795
oklch(66% 0.106 180.5)
- #C7768F
#C7768F
oklch(66.1% 0.105 0.5)
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 #31A795, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.030
- Light Sea Green #20B2AA ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.038
- Greeny Blue #42B395 ΔE 0.039
- Blue Green #0F9B8E ΔE 0.039
- Sea #3C9992 ΔE 0.040
- Grey Teal #5E9B8A ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.048
Use #31A795 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.