#498B58
Closest named color: Sea Green (#2E8B57). oklch(57.9% 0.103 149.6), rgb(73, 139, 88).
Aa
Black text reads best on this color (5.11:1).
About this color
#498B58 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.103 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.021 away. Black text reads best on it, at 5.11:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #498B58 |
| RGB | rgb(73, 139, 88) |
| HSL | hsl(134, 31%, 42%) |
| OKLCH | oklch(57.9% 0.103 149.6) |
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 #498B58 | 4.10:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #498B58 | 5.11:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #498B58 text on white | 4.10:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #498B58 text on black | 5.11:1 | AA | Lc -33.6 | 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 600.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CEDED0
oklch(88.5% 0.026 149.1)
-
Step 300
300
#ACCAB1
oklch(81% 0.047 150)
-
Step 400
400
#80AE88
oklch(70.7% 0.074 149.5)
-
Step 500
500
#5E9A6A
oklch(63.2% 0.095 149.4)
-
Step 600
600 (this color)
#498B58
oklch(57.9% 0.103 149.6)
-
Step 700
700
#337042
oklch(49.2% 0.097 149.6)
-
Step 800
800
#2B5B37
oklch(42.7% 0.079 150)
-
Step 900
900
#284B2F
oklch(37.8% 0.063 149.1)
-
Step 950
950
#182C1C
oklch(27.1% 0.039 149.5)
#498B58 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) | #8C8155 | 0.087 |
| Deuteranopia (no green cones) | #827B5B | 0.084 |
| Tritanopia (no blue cones) | #3D897E | 0.057 |
| Achromatopsia (no color) | #7D7D7D | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #498B58
#498B58
oklch(57.9% 0.103 149.6)
- #9C6398
#9C6398
oklch(58% 0.103 329.3)
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 #498B58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.021
- Dark Sage #598556 ΔE 0.022
- Light Forest Green #4F9153 ΔE 0.022
- Fern Green #548D44 ΔE 0.028
- Viridian #1E9167 ΔE 0.030
- Moss Green #658B38 ΔE 0.043
- Swamp #698339 ΔE 0.044
- Ocean Green #3D9973 ΔE 0.045
Use #498B58 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.