#63A338
Closest named color: Mid Green (#50A747). oklch(65% 0.155 135), rgb(99, 163, 56).
Aa
Black text reads best on this color (6.82:1).
About this color
#63A338 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.155 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.019 away. Black text reads best on it, at 6.82:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #63A338 |
| RGB | rgb(99, 163, 56) |
| HSL | hsl(96, 49%, 43%) |
| OKLCH | oklch(65% 0.155 135) |
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 #63A338 | 3.07:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #63A338 | 6.82:1 | AA | Lc 46.6 | Large or bold text, headings |
| #63A338 text on white | 3.07:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #63A338 text on black | 6.82:1 | AA | Lc -44.3 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CDE0C4
oklch(88.5% 0.043 135.5)
-
Step 300
300
#ACCC9B
oklch(80.9% 0.075 134.9)
-
Step 400
400
#7FB162
oklch(70.6% 0.121 134.9)
-
Step 500
500 (this color)
#63A338
oklch(65% 0.155 135)
-
Step 600
600
#458700
oklch(55.7% 0.163 134.9)
-
Step 700
700
#397100
oklch(49.1% 0.143 134.9)
-
Step 800
800
#2D5D00
oklch(42.7% 0.125 135.1)
-
Step 900
900
#284D0B
oklch(37.8% 0.101 135)
-
Step 950
950
#182D0A
oklch(27% 0.063 135)
#63A338 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) | #A9962A | 0.094 |
| Deuteranopia (no green cones) | #A09141 | 0.094 |
| Tritanopia (no blue cones) | #629D8D | 0.112 |
| Achromatopsia (no color) | #939393 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A338
#63A338
oklch(65% 0.155 135)
- #B26ECF
#B26ECF
oklch(64.9% 0.156 315.1)
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 #63A338, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.019
- Fern #63A950 ΔE 0.025
- Leaf #71AA34 ΔE 0.027
- Muted Green #5FA052 ΔE 0.029
- Grass #5CAC2D ΔE 0.030
- Off Green #6BA353 ΔE 0.030
- Flat Green #699D4C ΔE 0.031
- Dark Pastel Green #56AE57 ΔE 0.035
Use #63A338 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.