#E4BD01
Closest named color: Mustard Yellow (#D2BD0A). oklch(80.9% 0.166 93.8), rgb(228, 189, 1).
Aa
Black text reads best on this color (11.57:1).
About this color
#E4BD01 is a light, vivid yellow. In OKLCH its lightness is 81%, its chroma 0.166 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Yellow (#D2BD0A), ΔE 0.027 away. Black text reads best on it, at 11.57:1.
| Hue family | Yellows |
| Lightness | light (81%) |
| Chroma | vivid (0.166) |
| Temperature | warm |
| Nearest name | Mustard Yellow (#D2BD0A) |
| Black text | 11.57:1 |
| White text | 1.81:1 |
Values
| HEX | #E4BD01 |
| RGB | rgb(228, 189, 1) |
| HSL | hsl(50, 99%, 45%) |
| OKLCH | oklch(80.9% 0.166 93.8) |
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 #E4BD01 | 1.81:1 | Fails | Lc -37.6 | Non-text elements, placeholder text |
| Black text on #E4BD01 | 11.57:1 | AAA | Lc 70.3 | Content text, not long reading |
| #E4BD01 text on white | 1.81:1 | Fails | Lc 33.5 | Non-text elements, placeholder text |
| #E4BD01 text on black | 11.57:1 | AAA | Lc -69.1 | Content text, not long reading |
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 300.
-
Step 50
50
#FAF6E5
oklch(97.2% 0.023 96)
-
Step 100
100
#F4EAC6
oklch(93.6% 0.048 94.3)
-
Step 200
200
#EDD992
oklch(88.6% 0.093 94.2)
-
Step 300
300 (this color)
#E4BD01
oklch(80.9% 0.166 93.8)
-
Step 400
400
#BF9E00
oklch(70.8% 0.145 93.9)
-
Step 500
500
#A38700
oklch(63.1% 0.129 94.2)
-
Step 600
600
#897100
oklch(55.5% 0.114 94.1)
-
Step 700
700
#745F00
oklch(49.2% 0.101 93.8)
-
Step 800
800
#5F4D00
oklch(42.6% 0.087 93.4)
-
Step 900
900
#4F4000
oklch(37.6% 0.077 93.9)
-
Step 950
950
#2F2500
oklch(26.8% 0.055 93.5)
#E4BD01 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) | #D3BA00 | 0.028 |
| Deuteranopia (no green cones) | #DDC51E | 0.021 |
| Tritanopia (no blue cones) | #F8ACA1 | 0.153 |
| Achromatopsia (no color) | #C0C0C0 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4BD01
#E4BD01
oklch(80.9% 0.166 93.8)
- #ADBCFF
#ADBCFF
oklch(80.8% 0.096 274.3)
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 #E4BD01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Yellow #D2BD0A ΔE 0.027
- Golden #F5BF03 ΔE 0.028
- Dark Yellow #D5B60A ΔE 0.030
- Golden Rod #F9BC08 ΔE 0.033
- Macaroni And Cheese #EFB435 ΔE 0.037
- Marigold #FCC006 ΔE 0.039
- Orangey Yellow #FDB915 ΔE 0.041
- Amber #FFBE0B ΔE 0.043
Use #E4BD01 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.