#63A33F
Closest named color: Mid Green (#50A747). oklch(65% 0.149 135.9), rgb(99, 163, 63).
Aa
Black text reads best on this color (6.84:1).
About this color
#63A33F is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.149 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.018 away. Black text reads best on it, at 6.84:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.84:1 |
| White text | 3.06:1 |
Values
| HEX | #63A33F |
| RGB | rgb(99, 163, 63) |
| HSL | hsl(98, 44%, 44%) |
| OKLCH | oklch(65% 0.149 135.9) |
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 #63A33F | 3.06:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #63A33F | 6.84:1 | AA | Lc 46.7 | Large or bold text, headings |
| #63A33F text on white | 3.06:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #63A33F text on black | 6.84:1 | AA | Lc -44.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C5
oklch(88.5% 0.042 136.3)
-
Step 300
300
#ACCC9D
oklch(80.9% 0.073 135.8)
-
Step 400
400
#7FB166
oklch(70.7% 0.117 135.9)
-
Step 500
500 (this color)
#63A33F
oklch(65% 0.149 135.9)
-
Step 600
600
#428708
oklch(55.6% 0.162 135.9)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2B5D03
oklch(42.6% 0.125 136)
-
Step 900
900
#284D11
oklch(37.9% 0.097 135.9)
-
Step 950
950
#182D0C
oklch(27% 0.061 135.8)
#63A33F 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) | #A99634 | 0.094 |
| Deuteranopia (no green cones) | #A09147 | 0.094 |
| Tritanopia (no blue cones) | #619D8E | 0.107 |
| Achromatopsia (no color) | #939393 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A33F
#63A33F
oklch(65% 0.149 135.9)
- #B270CC
#B270CC
oklch(65.1% 0.149 315.9)
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 #63A33F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.018
- Fern #63A950 ΔE 0.021
- Muted Green #5FA052 ΔE 0.024
- Off Green #6BA353 ΔE 0.024
- Flat Green #699D4C ΔE 0.026
- Leaf #71AA34 ΔE 0.029
- Dark Pastel Green #56AE57 ΔE 0.033
- Grass #5CAC2D ΔE 0.034
Use #63A33F 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.