#63B491
Closest named color: Greeny Blue (#42B395). oklch(70.8% 0.096 164.1), rgb(99, 180, 145).
Aa
Black text reads best on this color (8.46:1).
About this color
#63B491 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.096 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.025 away. Black text reads best on it, at 8.46:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.46:1 |
| White text | 2.47:1 |
Values
| HEX | #63B491 |
| RGB | rgb(99, 180, 145) |
| HSL | hsl(154, 35%, 55%) |
| OKLCH | oklch(70.8% 0.096 164.1) |
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 #63B491 | 2.47:1 | Fails | Lc -53.6 | Large or bold text, headings |
| Black text on #63B491 | 8.46:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #63B491 text on white | 2.47:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #63B491 text on black | 8.46:1 | AAA | Lc -53.4 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE7
oklch(93.7% 0.018 164.6)
-
Step 200
200
#C6E0D3
oklch(88.4% 0.033 164.1)
-
Step 300
300
#9DCDB6
oklch(80.8% 0.06 164.1)
-
Step 400
400 (this color)
#63B491
oklch(70.8% 0.096 164.1)
-
Step 500
500
#28A075
oklch(63% 0.122 164)
-
Step 600
600
#008860
oklch(55.5% 0.118 164)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E41
oklch(42.7% 0.091 163.9)
-
Step 900
900
#014E36
oklch(37.6% 0.079 164.4)
-
Step 950
950
#072E20
oklch(27% 0.05 164.7)
#63B491 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) | #B1AA8F | 0.094 |
| Deuteranopia (no green cones) | #A5A193 | 0.091 |
| Tritanopia (no blue cones) | #4BB4AA | 0.038 |
| Achromatopsia (no color) | #A4A4A4 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B491
#63B491
oklch(70.8% 0.096 164.1)
- #CC89B0
#CC89B0
oklch(70.9% 0.096 344)
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 #63B491, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.025
- Tea #65AB7C ΔE 0.032
- Faded Green #7BB274 ΔE 0.040
- Dusty Green #76A973 ΔE 0.042
- Sage Green #88B378 ΔE 0.046
- Sage #87AE73 ΔE 0.047
- Muted Teal #90B494 ΔE 0.049
- Topaz #13BBAF ΔE 0.050
Use #63B491 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.