#63C573
Closest named color: Soft Green (#6FC276). oklch(74.4% 0.149 147.4), rgb(99, 197, 115).
Aa
Black text reads best on this color (9.76:1).
About this color
#63C573 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.149 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Soft Green (#6FC276), ΔE 0.014 away. Black text reads best on it, at 9.76:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.76:1 |
| White text | 2.15:1 |
Values
| HEX | #63C573 |
| RGB | rgb(99, 197, 115) |
| HSL | hsl(130, 46%, 58%) |
| OKLCH | oklch(74.4% 0.149 147.4) |
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 #63C573 | 2.15:1 | Fails | Lc -46.7 | Large or bold text, headings |
| Black text on #63C573 | 9.76:1 | AAA | Lc 61.9 | Content text, not long reading |
| #63C573 text on white | 2.15:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #63C573 text on black | 9.76:1 | AAA | Lc -60.2 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C3E3C6
oklch(88.5% 0.052 147.7)
-
Step 300
300
#98D19E
oklch(80.8% 0.092 147.4)
-
Step 400
400 (this color)
#63C573
oklch(74.4% 0.149 147.4)
-
Step 500
500
#00A63E
oklch(63.2% 0.186 147.4)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#01300D
oklch(27% 0.078 147.4)
#63C573 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) | #C7B66D | 0.120 |
| Deuteranopia (no green cones) | #B9AD78 | 0.117 |
| Tritanopia (no blue cones) | #51C1B1 | 0.087 |
| Achromatopsia (no color) | #B1B1B1 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C573
#63C573
oklch(74.4% 0.149 147.4)
- #DD88DC
#DD88DC
oklch(74.3% 0.149 327.4)
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 #63C573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.014
- Dark Mint #48C072 ΔE 0.026
- Algae Green #21C36F ΔE 0.039
- Dark Mint Green #20C073 ΔE 0.042
- Greenblue #23C48B ΔE 0.043
- Seaweed #18D17B ΔE 0.043
- Turtle Green #75B84F ΔE 0.043
- Boring Green #63B365 ΔE 0.050
Use #63C573 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.