#63C191
Closest named color: Soft Green (#6FC276). oklch(74% 0.115 159.5), rgb(99, 193, 145).
Aa
Black text reads best on this color (9.56:1).
About this color
#63C191 is a medium-light, moderately saturated green. In OKLCH its lightness is 74%, its chroma 0.115 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 0.036 away. Black text reads best on it, at 9.56:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Soft Green (#6FC276) |
| Black text | 9.56:1 |
| White text | 2.19:1 |
Values
| HEX | #63C191 |
| RGB | rgb(99, 193, 145) |
| HSL | hsl(149, 43%, 57%) |
| OKLCH | oklch(74% 0.115 159.5) |
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 #63C191 | 2.19:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #63C191 | 9.56:1 | AAA | Lc 61.0 | Content text, not long reading |
| #63C191 text on white | 2.19:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #63C191 text on black | 9.56:1 | AAA | Lc -59.2 | 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
#C4E2D0
oklch(88.6% 0.04 159.2)
-
Step 300
300
#99CFB0
oklch(80.8% 0.071 159.1)
-
Step 400
400 (this color)
#63C191
oklch(74% 0.115 159.5)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#012F1C
oklch(27% 0.06 160.1)
#63C191 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) | #BFB58E | 0.108 |
| Deuteranopia (no green cones) | #B1AB94 | 0.105 |
| Tritanopia (no blue cones) | #48C0B4 | 0.051 |
| Achromatopsia (no color) | #AFAFAF | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63C191
#63C191
oklch(74% 0.115 159.5)
- #DB8EC2
#DB8EC2
oklch(74.1% 0.114 339.7)
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 #63C191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Green #6FC276 ΔE 0.036
- Greenblue #23C48B ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.041
- Green Blue #01C08D ΔE 0.044
- Dark Sea Green #8FBC8F ΔE 0.044
- Faded Green #7BB274 ΔE 0.047
- Dark Mint #48C072 ΔE 0.049
- Sage Green #88B378 ΔE 0.049
Use #63C191 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.