#63C290
Closest named color: Soft Green (#6FC276). oklch(74.2% 0.117 158.7), rgb(99, 194, 144).
Aa
Black text reads best on this color (9.64:1).
About this color
#63C290 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.117 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.033 away. Black text reads best on it, at 9.64:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.64:1 |
| White text | 2.17:1 |
Values
| HEX | #63C290 |
| RGB | rgb(99, 194, 144) |
| HSL | hsl(148, 44%, 57%) |
| OKLCH | oklch(74.2% 0.117 158.7) |
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 #63C290 | 2.17:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #63C290 | 9.64:1 | AAA | Lc 61.4 | Content text, not long reading |
| #63C290 text on white | 2.17:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #63C290 text on black | 9.64:1 | AAA | Lc -59.6 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C4E2CF
oklch(88.6% 0.041 157.7)
-
Step 300
300
#98D0AF
oklch(81% 0.074 158.4)
-
Step 400
400 (this color)
#63C290
oklch(74.2% 0.117 158.7)
-
Step 500
500
#00A368
oklch(63.1% 0.145 158.9)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007348
oklch(49% 0.113 158.9)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F30
oklch(37.7% 0.087 158.9)
-
Step 950
950
#012F1B
oklch(26.9% 0.061 159)
#63C290 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) | #C0B68D | 0.109 |
| Deuteranopia (no green cones) | #B2AC93 | 0.106 |
| Tritanopia (no blue cones) | #48C1B4 | 0.052 |
| Achromatopsia (no color) | #B0B0B0 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C290
#63C290
oklch(74.2% 0.117 158.7)
- #DC8EC4
#DC8EC4
oklch(74.3% 0.117 339)
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 #63C290, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.033
- Greenblue #23C48B ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.041
- Green Blue #01C08D ΔE 0.044
- Dark Sea Green #8FBC8F ΔE 0.045
- Dark Mint #48C072 ΔE 0.047
- Faded Green #7BB274 ΔE 0.048
- Lichen #8FB67B ΔE 0.050
Use #63C290 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.