#6CA540
Closest named color: Fern (#63A950). oklch(66.1% 0.146 133.7), rgb(108, 165, 64).
Aa
Black text reads best on this color (7.09:1).
About this color
#6CA540 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.146 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern (#63A950), ΔE 0.016 away. Black text reads best on it, at 7.09:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Fern (#63A950) |
| Black text | 7.09:1 |
| White text | 2.96:1 |
Values
| HEX | #6CA540 |
| RGB | rgb(108, 165, 64) |
| HSL | hsl(94, 44%, 45%) |
| OKLCH | oklch(66.1% 0.146 133.7) |
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 #6CA540 | 2.96:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #6CA540 | 7.09:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #6CA540 text on white | 2.96:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #6CA540 text on black | 7.09:1 | AAA | Lc -45.8 | 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 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
#CFDFC5
oklch(88.5% 0.039 133.2)
-
Step 300
300
#AECB9C
oklch(80.8% 0.071 133.6)
-
Step 400
400
#83B065
oklch(70.7% 0.114 133.8)
-
Step 500
500 (this color)
#6CA540
oklch(66.1% 0.146 133.7)
-
Step 600
600
#498600
oklch(55.7% 0.159 133.9)
-
Step 700
700
#3D7000
oklch(49% 0.14 133.6)
-
Step 800
800
#315C00
oklch(42.6% 0.122 133.6)
-
Step 900
900
#2B4C0F
oklch(37.7% 0.096 134)
-
Step 950
950
#1A2D0B
oklch(27.2% 0.061 133.6)
#6CA540 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) | #AB9935 | 0.086 |
| Deuteranopia (no green cones) | #A39448 | 0.087 |
| Tritanopia (no blue cones) | #6C9F8F | 0.107 |
| Achromatopsia (no color) | #969696 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6CA540
#6CA540
oklch(66.1% 0.146 133.7)
- #B275D1
#B275D1
oklch(66.1% 0.146 313.5)
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 #6CA540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern #63A950 ΔE 0.016
- Leaf #71AA34 ΔE 0.020
- Off Green #6BA353 ΔE 0.022
- Mid Green #50A747 ΔE 0.026
- Muted Green #5FA052 ΔE 0.029
- Flat Green #699D4C ΔE 0.029
- Asparagus #77AB56 ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.030
Use #6CA540 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.