#31B794
Closest named color: Greeny Blue (#42B395). oklch(70% 0.124 171), rgb(49, 183, 148).
Aa
Black text reads best on this color (8.33:1).
About this color
#31B794 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.124 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.014 away. Black text reads best on it, at 8.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.33:1 |
| White text | 2.52:1 |
Values
| HEX | #31B794 |
| RGB | rgb(49, 183, 148) |
| HSL | hsl(164, 58%, 45%) |
| OKLCH | oklch(70% 0.124 171) |
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 #31B794 | 2.52:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #31B794 | 8.33:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #31B794 text on white | 2.52:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #31B794 text on black | 8.33:1 | AAA | Lc -52.9 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200
#BEE3D5
oklch(88.5% 0.043 170.4)
-
Step 300
300
#8CD1BA
oklch(80.8% 0.077 171.4)
-
Step 400
400 (this color)
#31B794
oklch(70% 0.124 171)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#31B794 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) | #B2AB92 | 0.128 |
| Deuteranopia (no green cones) | #A09E96 | 0.122 |
| Tritanopia (no blue cones) | #00B8AD | 0.035 |
| Achromatopsia (no color) | #A3A3A3 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31B794
#31B794
oklch(70% 0.124 171)
- #D87DA8
#D87DA8
oklch(70.1% 0.123 351)
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 #31B794, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.014
- Green Blue #01C08D ΔE 0.032
- Topaz #13BBAF ΔE 0.036
- Dark Seafoam #1FB57A ΔE 0.037
- Bluey Green #2BB179 ΔE 0.038
- Light Sea Green #20B2AA ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.040
- Green Teal #0CB577 ΔE 0.043
Use #31B794 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.