#63B189
Closest named color: Tea (#65AB7C). oklch(69.9% 0.098 160), rgb(99, 177, 137).
Aa
Black text reads best on this color (8.18:1).
About this color
#63B189 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.098 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tea (#65AB7C), ΔE 0.020 away. Black text reads best on it, at 8.18:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Tea (#65AB7C) |
| Black text | 8.18:1 |
| White text | 2.56:1 |
Values
| HEX | #63B189 |
| RGB | rgb(99, 177, 137) |
| HSL | hsl(149, 33%, 54%) |
| OKLCH | oklch(69.9% 0.098 160) |
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 #63B189 | 2.56:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #63B189 | 8.18:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #63B189 text on white | 2.56:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #63B189 text on black | 8.18:1 | AAA | Lc -51.9 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C7E0D1
oklch(88.4% 0.033 159.3)
-
Step 300
300
#9FCDB3
oklch(80.8% 0.061 159.9)
-
Step 400
400 (this color)
#63B189
oklch(69.9% 0.098 160)
-
Step 500
500
#2FA06F
oklch(63% 0.125 160.3)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#074E32
oklch(37.6% 0.081 160.1)
-
Step 950
950
#092E1D
oklch(27% 0.053 159.5)
#63B189 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) | #AFA787 | 0.093 |
| Deuteranopia (no green cones) | #A39E8B | 0.090 |
| Tritanopia (no blue cones) | #4FB0A6 | 0.044 |
| Achromatopsia (no color) | #A2A2A2 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63B189
#63B189
oklch(69.9% 0.098 160)
- #C786B1
#C786B1
oklch(69.9% 0.097 340.1)
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 #63B189, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tea #65AB7C ΔE 0.020
- Greeny Blue #42B395 ΔE 0.026
- Dusty Green #76A973 ΔE 0.032
- Faded Green #7BB274 ΔE 0.035
- Sage #87AE73 ΔE 0.042
- Dark Seafoam Green #3EAF76 ΔE 0.042
- Sage Green #88B378 ΔE 0.044
- Bluey Green #2BB179 ΔE 0.047
Use #63B189 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.