#31A488
Closest named color: Persian Green (#2A9D8F). oklch(64.8% 0.11 172.9), rgb(49, 164, 136).
Aa
Black text reads best on this color (6.79:1).
About this color
#31A488 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.110 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.027 away. Black text reads best on it, at 6.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.79:1 |
| White text | 3.08:1 |
Values
| HEX | #31A488 |
| RGB | rgb(49, 164, 136) |
| HSL | hsl(165, 54%, 42%) |
| OKLCH | oklch(64.8% 0.11 172.9) |
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 #31A488 | 3.08:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #31A488 | 6.79:1 | AA | Lc 46.6 | Large or bold text, headings |
| #31A488 text on white | 3.08:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #31A488 text on black | 6.79:1 | AA | Lc -44.3 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D7
oklch(88.5% 0.03 172.8)
-
Step 300
300
#9ECCBD
oklch(80.8% 0.053 173)
-
Step 400
400
#63B29B
oklch(70.6% 0.086 172.9)
-
Step 500
500 (this color)
#31A488
oklch(64.8% 0.11 172.9)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#024E3E
oklch(37.8% 0.072 172.8)
-
Step 950
950
#082E24
oklch(27.2% 0.046 171.6)
#31A488 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) | #9F9987 | 0.114 |
| Deuteranopia (no green cones) | #8F8E8A | 0.109 |
| Tritanopia (no blue cones) | #00A69C | 0.029 |
| Achromatopsia (no color) | #939393 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A488
#31A488
oklch(64.8% 0.11 172.9)
- #C27194
#C27194
oklch(64.8% 0.11 353.2)
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 #31A488, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.027
- Jade #1FA774 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.035
- Ocean Green #3D9973 ΔE 0.036
- Sea #3C9992 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.041
- Greeny Blue #42B395 ΔE 0.047
Use #31A488 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.