#40A254
Closest named color: Muted Green (#5FA052). oklch(63.5% 0.146 147.7), rgb(64, 162, 84).
Aa
Black text reads best on this color (6.51:1).
About this color
#40A254 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.146 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.026 away. Black text reads best on it, at 6.51:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #40A254 |
| RGB | rgb(64, 162, 84) |
| HSL | hsl(132, 43%, 44%) |
| OKLCH | oklch(63.5% 0.146 147.7) |
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 #40A254 | 3.22:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #40A254 | 6.51:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #40A254 text on white | 3.22:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #40A254 text on black | 6.51:1 | AA | Lc -42.6 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C8E1CB
oklch(88.5% 0.04 148.7)
-
Step 300
300
#A2CEA7
oklch(80.9% 0.071 147.9)
-
Step 400
400
#6DB477
oklch(70.7% 0.114 147.6)
-
Step 500
500 (this color)
#40A254
oklch(63.5% 0.146 147.7)
-
Step 600
600
#0B8B36
oklch(55.6% 0.159 147.6)
-
Step 700
700
#00752B
oklch(49% 0.143 147.8)
-
Step 800
800
#046023
oklch(42.7% 0.122 147.8)
-
Step 900
900
#134F21
oklch(37.8% 0.097 147.5)
-
Step 950
950
#0E2E14
oklch(26.9% 0.06 147.5)
#40A254 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) | #A4954E | 0.117 |
| Deuteranopia (no green cones) | #978C59 | 0.115 |
| Tritanopia (no blue cones) | #289F90 | 0.085 |
| Achromatopsia (no color) | #8F8F8F | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A254
#40A254
oklch(63.5% 0.146 147.7)
- #B967B8
#B967B8
oklch(63.5% 0.148 327.6)
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 #40A254, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.026
- Mid Green #50A747 ΔE 0.026
- Seaweed Green #35AD6B ΔE 0.035
- Flat Green #699D4C ΔE 0.036
- Jade #1FA774 ΔE 0.038
- Jade Green #2BAF6A ΔE 0.038
- Medium Green #39AD48 ΔE 0.039
- Fern #63A950 ΔE 0.039
Use #40A254 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.