#63A449
Closest named color: Fern (#63A950). oklch(65.4% 0.142 137.6), rgb(99, 164, 73).
Aa
Black text reads best on this color (6.93:1).
About this color
#63A449 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.142 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.014 away. Black text reads best on it, at 6.93:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 6.93:1 |
| White text | 3.02:1 |
Values
| HEX | #63A449 |
| RGB | rgb(99, 164, 73) |
| HSL | hsl(103, 38%, 46%) |
| OKLCH | oklch(65.4% 0.142 137.6) |
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 #63A449 | 3.02:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #63A449 | 6.93:1 | AA | Lc 47.2 | Large or bold text, headings |
| #63A449 text on white | 3.02:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #63A449 text on black | 6.93:1 | AA | Lc -44.9 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#ABCCA0
oklch(80.9% 0.07 137.9)
-
Step 400
400
#7EB16C
oklch(70.7% 0.111 137.8)
-
Step 500
500 (this color)
#63A449
oklch(65.4% 0.142 137.6)
-
Step 600
600
#40871E
oklch(55.6% 0.154 137.7)
-
Step 700
700
#32720E
oklch(49.1% 0.143 137.6)
-
Step 800
800
#2A5D11
oklch(42.7% 0.119 137.7)
-
Step 900
900
#274C17
oklch(37.6% 0.092 137.5)
-
Step 950
950
#172D0F
oklch(27% 0.059 138.1)
#63A449 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) | #A99840 | 0.092 |
| Deuteranopia (no green cones) | #A0924F | 0.093 |
| Tritanopia (no blue cones) | #609F90 | 0.099 |
| Achromatopsia (no color) | #949494 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63A449
#63A449
oklch(65.4% 0.142 137.6)
- #B372C8
#B372C8
oklch(65.3% 0.142 317.6)
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 #63A449, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.014
- Off Green #6BA353 ΔE 0.016
- Muted Green #5FA052 ΔE 0.018
- Mid Green #50A747 ΔE 0.019
- Flat Green #699D4C ΔE 0.022
- Dark Pastel Green #56AE57 ΔE 0.028
- Leaf #71AA34 ΔE 0.031
- Asparagus #77AB56 ΔE 0.034
Use #63A449 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.