#63C288
Closest named color: Soft Green (#6FC276). oklch(74% 0.124 155), rgb(99, 194, 136).
Aa
Black text reads best on this color (9.60:1).
About this color
#63C288 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.124 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.023 away. Black text reads best on it, at 9.60:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.60:1 |
| White text | 2.18:1 |
Values
| HEX | #63C288 |
| RGB | rgb(99, 194, 136) |
| HSL | hsl(143, 44%, 57%) |
| OKLCH | oklch(74% 0.124 155) |
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 #63C288 | 2.18:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #63C288 | 9.60:1 | AAA | Lc 61.1 | Content text, not long reading |
| #63C288 text on white | 2.18:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #63C288 text on black | 9.60:1 | AAA | Lc -59.4 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DFEFE3
oklch(93.7% 0.023 153.4)
-
Step 200
200
#C4E2CD
oklch(88.5% 0.043 154.9)
-
Step 300
300
#98D0AB
oklch(80.9% 0.078 155.3)
-
Step 400
400 (this color)
#63C288
oklch(74% 0.124 155)
-
Step 500
500
#00A45E
oklch(63.1% 0.156 155.1)
-
Step 600
600
#008A4E
oklch(55.6% 0.137 155)
-
Step 700
700
#007441
oklch(49.1% 0.121 155.2)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#004F2B
oklch(37.6% 0.092 155.5)
-
Step 950
950
#012F17
oklch(26.8% 0.066 154.8)
#63C288 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) | #C2B584 | 0.112 |
| Deuteranopia (no green cones) | #B4AB8C | 0.110 |
| Tritanopia (no blue cones) | #4BC0B3 | 0.062 |
| Achromatopsia (no color) | #AFAFAF | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C288
#63C288
oklch(74% 0.124 155)
- #DB8CCA
#DB8CCA
oklch(74% 0.124 335)
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 #63C288, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.023
- Greenblue #23C48B ΔE 0.034
- Dark Mint #48C072 ΔE 0.038
- Green Blue #01C08D ΔE 0.043
- Faded Green #7BB274 ΔE 0.045
- Medium Aquamarine #66CDAA ΔE 0.048
- Sage Green #88B378 ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.049
Use #63C288 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.