#64A447
Closest named color: Fern (#63A950). oklch(65.4% 0.143 137), rgb(100, 164, 71).
Aa
Black text reads best on this color (6.94:1).
About this color
#64A447 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.143 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.015 away. Black text reads best on it, at 6.94:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #64A447 |
| RGB | rgb(100, 164, 71) |
| HSL | hsl(101, 40%, 46%) |
| OKLCH | oklch(65.4% 0.143 137) |
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 #64A447 | 3.02:1 | AA large text | Lc -62.2 | Content text, not long reading |
| Black text on #64A447 | 6.94:1 | AA | Lc 47.2 | Large or bold text, headings |
| #64A447 text on white | 3.02:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #64A447 text on black | 6.94:1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
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
#ACCC9F
oklch(81% 0.071 136.7)
-
Step 400
400
#7FB16A
oklch(70.7% 0.112 136.9)
-
Step 500
500 (this color)
#64A447
oklch(65.4% 0.143 137)
-
Step 600
600
#42871A
oklch(55.7% 0.155 136.9)
-
Step 700
700
#337208
oklch(49.1% 0.145 137)
-
Step 800
800
#2B5D0E
oklch(42.7% 0.12 137)
-
Step 900
900
#274C15
oklch(37.6% 0.093 137)
-
Step 950
950
#182D0E
oklch(27.1% 0.059 136.7)
#64A447 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) | #A9983E | 0.092 |
| Deuteranopia (no green cones) | #A0924E | 0.092 |
| Tritanopia (no blue cones) | #619F8F | 0.099 |
| Achromatopsia (no color) | #949494 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64A447
#64A447
oklch(65.4% 0.143 137)
- #B372CA
#B372CA
oklch(65.4% 0.144 316.8)
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 #64A447, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.015
- Off Green #6BA353 ΔE 0.017
- Muted Green #5FA052 ΔE 0.019
- Mid Green #50A747 ΔE 0.019
- Flat Green #699D4C ΔE 0.023
- Dark Pastel Green #56AE57 ΔE 0.028
- Leaf #71AA34 ΔE 0.030
- Asparagus #77AB56 ΔE 0.034
Use #64A447 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.