#45903D
Closest named color: Fern Green (#548D44). oklch(58.6% 0.14 141.8), rgb(69, 144, 61).
Aa
Black text reads best on this color (5.30:1).
About this color
#45903D is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.140 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.020 away. Black text reads best on it, at 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Values
| HEX | #45903D |
| RGB | rgb(69, 144, 61) |
| HSL | hsl(114, 40%, 40%) |
| OKLCH | oklch(58.6% 0.14 141.8) |
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 #45903D | 3.95:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #45903D | 5.30:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #45903D text on white | 3.95:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #45903D text on black | 5.30:1 | AA | Lc -35.0 | 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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CDDFCA
oklch(88.4% 0.034 141.2)
-
Step 300
300
#AACBA6
oklch(80.8% 0.062 142.1)
-
Step 400
400
#7CB175
oklch(70.8% 0.102 141.6)
-
Step 500
500
#599D51
oklch(63.2% 0.129 141.7)
-
Step 600
600 (this color)
#45903D
oklch(58.6% 0.14 141.8)
-
Step 700
700
#2D7226
oklch(49.1% 0.13 141.8)
-
Step 800
800
#275D21
oklch(42.7% 0.108 141.7)
-
Step 900
900
#254C20
oklch(37.6% 0.084 141.5)
-
Step 950
950
#162D14
oklch(27% 0.053 142.3)
#45903D 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) | #938435 | 0.099 |
| Deuteranopia (no green cones) | #897D43 | 0.100 |
| Tritanopia (no blue cones) | #3C8C7E | 0.092 |
| Achromatopsia (no color) | #808080 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45903D
#45903D
oklch(58.6% 0.14 141.8)
- #A25DAD
#A25DAD
oklch(58.7% 0.14 321.9)
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 #45903D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.020
- Light Forest Green #4F9153 ΔE 0.029
- Sap Green #5C8B15 ΔE 0.031
- Mossy Green #638B27 ΔE 0.031
- Moss Green #658B38 ΔE 0.034
- Kelley Green #009337 ΔE 0.034
- Olive Drab #6B8E23 ΔE 0.040
- Forest Green #228B22 ΔE 0.040
Use #45903D 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.