#63C889
Closest named color: Soft Green (#6FC276). oklch(75.5% 0.132 154.3), rgb(99, 200, 137).
Aa
Black text reads best on this color (10.15:1).
About this color
#63C889 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.132 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.024 away. Black text reads best on it, at 10.15:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 10.15:1 |
| White text | 2.06:1 |
Values
| HEX | #63C889 |
| RGB | rgb(99, 200, 137) |
| HSL | hsl(143, 48%, 59%) |
| OKLCH | oklch(75.5% 0.132 154.3) |
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 #63C889 | 2.06:1 | Fails | Lc -44.7 | Non-text elements, placeholder text |
| Black text on #63C889 | 10.15:1 | AAA | Lc 63.8 | Content text, not long reading |
| #63C889 text on white | 2.06:1 | Fails | Lc 40.1 | Non-text elements, placeholder text |
| #63C889 text on black | 10.15:1 | AAA | Lc -62.2 | Content text, not long reading |
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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE3
oklch(93.6% 0.024 155.1)
-
Step 200
200
#C3E3CC
oklch(88.6% 0.046 154.1)
-
Step 300
300
#96D1A9
oklch(80.9% 0.083 154.5)
-
Step 400
400 (this color)
#63C889
oklch(75.5% 0.132 154.3)
-
Step 500
500
#00A45B
oklch(63.1% 0.158 154.2)
-
Step 600
600
#008A4C
oklch(55.6% 0.139 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#003016
oklch(27.1% 0.069 153.7)
#63C889 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) | #C8BA85 | 0.118 |
| Deuteranopia (no green cones) | #B9B08D | 0.115 |
| Tritanopia (no blue cones) | #4AC6B7 | 0.066 |
| Achromatopsia (no color) | #B4B4B4 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C889
#63C889
oklch(75.5% 0.132 154.3)
- #E28ED2
#E28ED2
oklch(75.5% 0.133 334)
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 #63C889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.024
- Greenblue #23C48B ΔE 0.039
- Dark Mint #48C072 ΔE 0.042
- Medium Aquamarine #66CDAA ΔE 0.043
- Emerald #06D6A0 ΔE 0.047
- Seaweed #18D17B ΔE 0.051
- Green Blue #01C08D ΔE 0.051
- Algae Green #21C36F ΔE 0.055
Use #63C889 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.